'Time to get my six pack back': Teen Mom 3 star Mackenzie McKee reveals taut tummy just TWO WEEKS after giving birth to second child

Just two weeks after giving birth to her second child, Mackenzie McKee, née Douthit,looked almost like she'd never been pregnant at all.

The 19-year-old Teen Mom 3 star posted a before and after image to her Instagram account on Friday – juxtaposing a picture of her sizeable baby bump with a photo of her completely flat stomach.

The Oklahoma native captioned it: 'Two weeks later. All my muscle is gone; (. But dr said I could start working out again today; ). Woo. Time to get my six pack back.'

Bouncing right back: Mackenzie McKee, née Douthit, posted a before and after image to her Instagram account on Friday - juxtaposing her baby bump with a photo of her now completely flat stomach two weeks after giving birth to her second child

Mackenzie gave birth to a healthy baby girl on February 7, despite her type 1 diabetes causing complications along the way.

She
underwent an emergency C-section three weeks prior to her due date, as
doctors feared her diabetes would complicate the last few weeks of the
pregnancy.

Jaxie Taylor McKee was born at 12:43pm in Miami, Oklahoma, weighing in at a healthy 8 lbs and 9 oz.

Congratulations! The 19-year-old Teen Mom star gave birth to a healthy baby girl on February 7, despite her type 1 diabetes causing complications along the way

Bundle of joy: Jaxie Taylor McKee was born at 12:43pm in Miami, Oklahoma, weighing in at a healthy 8 lbs and 9 oz despite being born by C-section three weeks prior to her due date

She joins older brother Gannon Dewayne McKee, who was born on September 12, 2011.

Mackenzie said of her happy news: 'I am so thankful for a healthy baby girl.'

She added: 'My blood sugars and the baby’s were fine during the delivery.'